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Municipal
owens-lake-dust-mitigation-project-phase-7-los-angeles-department-of-water-and-power-ladwp-los-angeles-california
Owens Lake Dust Mitigation Project – Phase 7, Los Angeles Department of Water and Power (LADWP), Los Angeles, California
City of Los Angeles Department of Water and Power

Preliminary Engineering, Review As-Built Drawings, Site Investigation, Coordination Meetings, Civil and Mechanical Designs, Preliminary & Final Design, Overall Site Plan, Work Area Limit Plan, Grading Plan, Lateral Piping Plan

As a subcontractor, DRC supported design and engineering on the Owens Lake Dust Mitigation Project, Phase 7, for the City of Los Angeles, Department of Water and Power, providing preliminary and final designs.

Our team performed all civil engineering: reviewed as-built drawings for previous Owens Lake improvements; provided specific area civil and mechanical designs; and AutoCAD drafting to prepare preliminary designs for Phase 7 Dust Control Areas and other locations. Preliminary designs included all design criteria. DRC designed and engineered demolition plans of existing improvements: site, work limit, grading, culvert, controlled outlet, spillway, and piping.

For each of the site’s shallow flood areas, DRC developed drawings for an Overall Site Plan, a Work Area Limit Plan, a Grading Plan, and a Lateral Piping Plan. Our team developed Final Design drawings for the shallow flood areas to an overall design level of 100% completion and a final Overall Site Plan for all of the shallow flood areas showing key features such as acres of each area, locations of berks, if any, maximum control elevation of water, inlets and outlets, spillway elevations, turnout locations, laterals, and locations and type of storm drainage control.

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Municipal
perris-basin-desalination-design-project-perris-desalter-ii-test-wells-eastern-municipal-water-district-emwd-property-or-easement-city-of-perris-riverside-county-california
Perris Basin Desalination Design Project, Perris Desalter II Test Wells, Eastern Municipal Water District (EMWD) Property or Easement, City of Perris, Riverside County, California
U.S. Army Corps of Engineers Los Angeles District

Project Management, Geotechnical Engineering, Hydrology, Hydrogeology, Geology, Scheduling

DRC’s modified the original services for installing four new test wells for the Eastern Municipal Water District’s (EMWD) Perris Basin Desalination Program in the City of Perris, Riverside County, California. The project required an analysis of formation samples, sieve analyses of drill cuttings, and an analysis of the downhole geophysical logs after drilling commenced. The analysis determined the depth of the well to be 390 feet.

DRC conducted field investigations and developed and installed two new test wells. This included drilling; preparing downhole geophysical and caliper logs; and well construction, development, testing, alignment surveys, color video, disinfection, and a pump foundation. The method for drilling and completing the new test wells at all water-bearing zones produced acceptable properties and water quality identified by EMWD.

The work included reaming, installing blank and louvered well castings, installing gravel pack, and well development. DRC monitored the project, created the work plan, and a project schedule. DRC completed the welding of the steel plate over the top of the well casing, the tubing, and the annular space between the well casing and conductor casing to protect the wells from vandalism.

The final well designs and decision to complete each test well were contingent upon an examination of the formation samples, sieve analyses of drill cuttings, and downhole geophysical logs that were collected and completed during drilling of the pilot borehole. The operational capacity of the new test wells is 300 to 1,000 gallons per minute.

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Municipal
coordination-of-the-environmental-and-feasibility-portions-of-the-sports-arena-and-ball-fields-project-between-the-city-of-pico-rivera-and-usace-california
Coordination of the Environmental and Feasibility Portions of the Sports Arena and Ball Fields Project between the City of Pico Rivera and USACE, California
City of Pico Rivera Department of Public Works

$6 Million

Gather Information, Coordination and Meetings, Project Management, Hydrology and Hydraulic Evaluation, Review Geotechnical and Soil Information, Project Report

DRC performed a feasibility review and study for a multi-use building on property adjacent to the San Gabriel River within the Whittier Narrows Recreation area. The City of Pico Rivera maintains a long-term lease on the property, which the U.S. Army Corps of Engineers owns. DRC knows the Corps’ requirements to determine a project’s environmental conditions and its feasibility for development and, as such, provided excellent support to the city for a sports arena and for the area’s long-term development.

DRC staff had direct involvement in the flood evaluation, preparing guidelines and securing approvals for development within the Whittier Narrows area. The environmental portion of the project included a review of certain project details to develop an initial study and an environmental assessment that led to a mitigated negative declaration.

This project contract had two phases:

First phase:

  • Research documentation and review the site;
  • Evaluate flood and water runoff;
  • Review geotechnical and soils information; and
  • Prepare a Phase I report.

Second phase:

  • Coordinate with U.S. Army Corps of Engineers;
  • Develop and send a report to the departments of Fish & Game and Fish & Wildlife for review and comment;
  • Prepare the final report; and
  • Coordinate and oversee work on the project for the city and the Corps of Engineers.
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Municipal
specialized-classrooms-and-simulators-design-build-of-passive-surveillance-training-facility-vandenberg-afb
Specialized Classrooms and Simulators Design-Build of Passive Surveillance Training Facility, Vandenberg AFB
U.S. Army Corps of Engineers Los Angeles District

Construction Management, Project Management, Architectural Design, Value Engineering, Civil Engineering, Structural Engineering, Electrical Engineering

As prime consultant, DRC delivered a design/build, complete renovation of a 6,000-sf Sensitive Compartmented Information Facility (SCIF). A SCIF provides formal access controls, approved by the Director of Central Intelligence, and holds information concerning, or derived from, intelligence sources, methods, or analytical processes.

SCIF space requirements as defined in the Director of Central Intelligence Directive (DCID) 1/21 and Red/Black Installation Guidance specified:

  • 5 Classrooms: 4 w/6 students and 1 w/12 students
  • 4 simulators; mini UPS and air conditioning
  • Secured screening entry area
  • Office space; 4 personnel include storage/safe area
  • Break room
  • HVAC/Elect Upgrade to support additional loads
  • Interior renovation: Carpet, walls, ceiling, windows & doors (45 STC rated)
  • Security/Alarms as required to meet DCID 1/21 and Red/Black Installation Guidance
  • Phones: 1/classroom, 2/entrance, 2/break room, 4/office
  • LAN interconnectivity stub outs
  • Additional restroom break room, classroom facility for west end of building
  • New exterior entrance and walkways

Design and construction included installing passive classroom equipment.

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Municipal
a-e-services-with-emphasis-on-civil-engineering-for-civil-works-projects-u-s-army-corps-of-engineers-los-angeles-district
A-E Services With Emphasis On Civil Engineering For Civil Works Projects, U.S. Army Corps of Engineers, Los Angeles District
U.S. Army Corps of Engineers Los Angeles District

Civil/Structural Engineering, Architectural/Landscape Architecture Design, Flood Control/Coast/ Environmental Restoration, Hydrology/Hydraulics, Planning & Design, Geotechnical Services, Surveying & Mapping Services

As prime consultant, the USACE, Los Angeles District, awarded DRC a contract to include Architecture-Engineering services in civil works and military projects, primarily within the boundaries of the Los Angeles District (Arizona, southern California, and southern Nevada). DRC prepared design analyses, engineering appendices, and plans and specifications for flood control, coastal, and environmental restoration projects.

DRC conducted field investigations; prepared hydrology, hydraulics, and geotechnical analyses reports; and provided civil, structural, architectural, and landscape architecture design, including value engineering.

Our team delivered civil designs for urban flood control projects, including dams, levees, channels, and other flood conveyances. They prepared engineering reports, reconnaissance and feasibility studies, design documentation reports, and contract drawings. MCACES Gold was used for preparing preliminary and final cost estimates in the civil works breakdown structure.

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Municipal
plan-check-project-oversight-and-construction-support-services
Plan Check, Project Oversight and Construction Support Services

Map Check, Grading Plans, Improvement Plans, Street Improvements: traffic signals, signing and striping plans, Drainage, Flood Control Systems, Hydrology/Hydraulics, Sanitary Sewers, Wastewater Facilities, Water Facilities, Landscaping Plans, Studies and Master Plans, Structural / Building Plan Checks, NPDES/Water Quality/SWPPS

DRC provides comprehensive plan checking services, on-site and from our local office. Assignments have included reporting to the agency’s assigned representative, managing plan check task orders, supporting community outreach, and ensuring each task order is completed satisfactorily on-time and on-budget. Examples of plan check service contracts include:

On-Call Engineering Design Review and Plan Check Services – Port of Long Beach (POLB): DRC’s team thoroughly reviewed project plans for compliance with the City of Long Beach, POLB plan check requirements, required codes, design standards, CAD standards, standard details, ADA Title 24, environmental mitigation, and engineering practices.

Town of Yucca Valley Development Review: DRC reviewed and approved tentative maps, lot line adjustments, and final map approvals signature, reviewed up to 1,600 lot subdivisions, reviewed and approved Hydrologic Engineering Center-River Analysis System (HEC-RAS) hydrology analysis and drainage/storm drain hydraulics for major drainage courses within the subdivisions, including detention basin hydraulics and design. Our team developed street improvement and traffic circulation requirements for developers and reviewed their plans to ensure the town’s approval.

City of Irvine Subdivisions Civil Engineering Plan Check: DRC provided map and plan check services to assist the city with reviewing subdivision plans for a large development. This included reviews of grading, hydrology/hydraulics, street improvements, storm drains, hillside development design standards, and traffic devices.

Port of Los Angeles – Harry S. Gibson/I-110 Interchange Improvement Project Management and Construction Support: DRC provided construction support and mentorship to the Port’s engineering staff for this $150M improvement project. Three members of DRC’s staff worked full time at the Port throughout the project and others supported work as-needed. They conducted plan reviews, reviewed RFIs and change order requests, and coordinated with utility companies and Caltrans. DRC also participated in community outreach, coordinated and attended meetings with stakeholders and staff from the city’s Bureau of Engineering, maintained schedules, reviewed budgets, and ensured contractual performance.

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